To provide a new squeegee for breaking a glass substrate for the panel of a liquid crystal display, etc., and a substrate breaking apparatus capable of smoothly and efficiently carrying out the breakage of the substrate even if the scribing line is close to the adjacent breaking plane or the squeegee is used for a long period.

Plural oblong holes 41a, 41b are bored on a supporting plate 41, holders 42, 43 are attached respectively to the holes and squeegees 44, 45 for breaking are fixed to the holders 42, 43. A plurality of scribing lines 40a, 40b, 40c are formed on the back face of a glass substrate 40 and stresses are simultaneously applied to the positions corresponding to the scribing lines with the tips 44a, 45a, 45b of the squeegee 44, 45.